(19)
(11) EP 1 009 874 A1

(12)

(43) Date of publication:
21.06.2000 Bulletin 2000/25

(21) Application number: 97940678.2

(22) Date of filing: 28.08.1997
(51) International Patent Classification (IPC)7D21F 2/00, D21F 1/48
(86) International application number:
PCT/US9715/201
(87) International publication number:
WO 9810/140 (12.03.1998 Gazette 1998/10)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

(30) Priority: 03.09.1996 US 706915
03.09.1996 US 706916
03.09.1996 US 706917
03.09.1996 US 706919
03.09.1996 US 706920

(71) Applicant: THE PROCTER & GAMBLE COMPANY
Cincinnati,Ohio 45202 (US)

(72) Inventors:
  • TROKHAN, Paul, Dennis
    Hamilton, OH 45013 (US)
  • ENSIGN, Donald, Eugene
    Cincinnati, OH 45242 (US)
  • AYERS, Peter, Graves
    Middletown, OH 45044 (US)
  • BUENGER, Daniel, Edward
    Cincinnati, OH 45255 (US)

(74) Representative: Canonici, Jean-Jacques et al
Procter & Gamble European Service GmbH,Sulzbacher Strasse 40-50
65824 Schwalbach am Taunus
65824 Schwalbach am Taunus (DE)

   


(54) A VACUUM APPARATUS CAPABLE OF CONTROLLING THE RATE OF APPLICATION OF VACUUM PRESSURE IN A THROUGH AIR DRYING PAPERMAKING PROCESS